Fiber optic system to measure adulteration in liquids using an RGB detection

O. X. Vera-Duarte, J. D Filoteo-Razo, J. M. Estudillo-Ayala, J. C. Hernandez-Garcia, D. Jauregui-Vazquez, J. M. Sierra-Hernandez, J. R. Martinez-Angulo, J. A. Martin-Vela, R. Rojas-Laguna

Abstract


In this paper, we propose a fiber optic system to measure the changes in the RGB composition of light in liquid solutions using a plastic optical fiber (POF) as an intrinsic sensor. The measurement system is composed of a 3 W white light-emitting diode as the light source, a 20 cm long U-shaped POF, and an RGB photodiode array that allows us to detect the changes in the RGB composition of the light propagating through the POF. The U-shaped POF has a length of 5 mm without coating, which remains in contact with the liquid solutions. The tests were performed with different concentrations of a mixture of tequila and water. The results obtained with the RGB photodiode array showed that the system has a resolution of 0.39 % and a color change sensitivity of 0.1, 0.6, and 0.4 8–bits/% of sample for red, green, and blue colors, respectively. These results will allow us to design a low-cost prototype to measure the amount of adulteration in liquids.


Keywords


Fiber optic; refractive index; sensor; RGB color

Full Text:

PDF

References


C. Vazquez, A.B. Gonzalo, S. Vargas and J. Montalvo, Multi- sensor system using plastic optical fibers for intrinsically safe level measurements, Sensors Actuators A Phys. 116 (2004) 22, https://doi.org/10.1016/j.sna.2004.03.035.

K.T.V. Grattan and T. Sun, Fiber optic sensor technology: An overview, Sensors Actuators A Phys. 82 (2000) 40, https: //doi.org/10.1016/S0924-4247(99)00368-4.

L. Bilro, N. Alberto, J.L. Pinto and R. Nogueira, Optical sen- sors based on plastic fibers, Sensors (Switzerland) 12 (2012) 2184, https://doi.org/10.3390/s120912184.

M. Yunus and A. Arifin, Design of Oil Viscosity Sensor Based on Plastic Optical Fiber, J. Phys. Conf. Ser. 979 (2018) 012083, https://doi.org/10.1088/1742-6596/979/1/ 012083.

J. D. Filoteo-Razo, J. M. Estudillo-Ayala, J. C. Herna ́ndez- Garc ́ıa, M. Trejo-Dura ́n, A. Mun ̃oz-Lopez, D. Jauregui- Va ́zquez and R. Rojas-Laguna, RGB color sensor implemented with LEDs, Proc. SPIE - Int. Soc. Opt. Eng. (2015), https: //doi.org/10.1117/12.2188243.

J. Zubia and J. Arrue, Plastic optical fibers: An introduction to their technological processes and applications, Opt. Fiber Tech- nol. 7 (2001) 101, https://doi.org/10.1006/ofte. 2000.0355.

J. D. Filoteo-Razo, J. M. Estudillo-Ayala, J. C. Herna ́ndez- Garc ́ıa, D. Ja ́uregui-Va ́zquez, R. Rojas-Laguna, F.J. Valle- AtilanoandL.F.Sa ́mano-Aguilar,SensorRGBparadetectar cambios de color en piel de frutas, Acta Univ. 26 (2016) 24, https://doi.org/10.15174/au.2016.859.

Y.S. Ong, E. Lewis, I. Grout and W. Mohammed, Results Clas- sification in an RGB LED Based Optical Fiber Sensor Sys- tem using Python, 2018 15th Int. Conf. Electr. Eng. Com- put. Telecommun. Inf. Technol., IEEE (2018) 33-36, https: //doi.org/10.1109/ECTICon.2018.8619985.

C. Novo, L. Bilro, R. Ferreira, N. Alberto, P. Antunes, C. Leita ̃o, R. Nogueir and J.L. Pinto, Plastic optical fibre sensor for quality control in food industry, Fifth Eur. Work. Opt. Fibre Sensors, International Society for Optics and Photonics (2013) 879411, https://doi.org/10.1117/12.2025489.

D. Lopez-Betancur, I. Moreno, C. Guerrero-Mendez, D. Go ́mez-Mele ́ndez, M. de J. Macias P and C. Olvera-Olvera, Ef- fects of Colored Light on Growth and Nutritional Composition of Tilapia, and Biofloc as a Food Source, Appl. Sci.10 (2020) 362, https://doi.org/10.3390/app10010362.

A. Arifin, Yusran, Miftahuddin, B. Abdullah and D. Tahir, Comparison of sensitivity and resolution load sensor at vari- ous configuration polymer optical fiber, AIP Conf. Proc., Amer- ican Institute of Physics Inc. (2017), https://doi.org/ 10.1063/1.4973100.

F. Berghmans and H. Thienpont, Plastic optical fibers for sensing applications, Conf. Opt. Fiber Commun. Tech. Dig. Ser. (2014), https://doi.org/10.1109/OFC.2014. 6886975.

D.-S. Lee, M.Y. Jung, B.G. Jeon and M.-J. Sohn, Novel opti- cal absorbance-based multi-analytes detection module using a tri-chromatic LED, PDs and plastic optical fibers and its ap- plication to a palm-sized urine test strip reader, Sensors 2010 IEEE (2010) 1411-1414, https://doi.org/10.1109/ ICSENS.2010.5690509.

D.Z. Stupar, J.S. Bajic, A. V Joza, B.M. Dakic, M.P. Slankamenac, M.B. Zivanov and E. Cibula, Remote moni-toring of water salinity by using side-polished fiber-optic U- shaped sensor, 2012 15th Int. Power Electron. Motion Con- trol Conf., IEEE (2012), LS4c-4, https://doi.org/10. 1109/EPEPEMC.2012.6397458.

O.Ziemann,J.Krauser,P.E.ZamzowandW.Daum,POFhand- book, Springer (2008), LS4c-4, https://doi.org/10. 1007/978-3-540-76629-2.

I. Speier and M. Salsbury, Color temperature tunable white light LED system, Sixth Int. Conf. Solid State Light., Inter- national Society for Optics and Photonics (2006), 63371F, https://doi.org/10.1117/12.679688.


Refbacks

  • There are currently no refbacks.


SUPLEMENTO DE LA REVISTA MEXICANA DE FÍSICA, year 2, issue 1 January-March, 2021. Non-periodical journal published by Sociedad Mexicana de Física, A. C. Departamento de Física, 2º Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Apartado Postal 70-348. Tel. (+52)55-5622-4946, https://rmf.smf.mx/ojs/rmf-s, rmf@ciencias.unam.mx. Chief Editor: José Alejandro Ayala Mercado.  INDAUTOR Certificate of Reserve: 04-2019-080216411400-203, ISSN: in process, both granted by Instituto Nacional del Derecho de Autor.  Responsible for the last update of this issue, Technical Staff of Sociedad Mexicana de Física, A. C., Fís. Efraín Garrido Román, 2º. Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Date of last modification, March 29, 2021.

The responsibility of the materials published in Suplemento de la Revista Mexicana de Física rests solely with their authors and their content does not necessarily reflect the criteria of the Editorial Committee or the Sociedad Mexicana de Física. The total or partial reproduction of the texts hereby published is authorized as long as the complete source and the electronic address of the publications are cited.

Suplemento de la Revista Mexicana de Física by Sociedad Mexicana de Física, A. C. is distributed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License